CN210953128U - Wireless temperature measurement end cap and temperature measurement system adopting same - Google Patents
Wireless temperature measurement end cap and temperature measurement system adopting same Download PDFInfo
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- CN210953128U CN210953128U CN201922178497.7U CN201922178497U CN210953128U CN 210953128 U CN210953128 U CN 210953128U CN 201922178497 U CN201922178497 U CN 201922178497U CN 210953128 U CN210953128 U CN 210953128U
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Abstract
The utility model discloses a wireless temperature measurement end cap and adopt its temperature measurement system. The utility model discloses a wireless temperature measurement end cap, through the junction of heat conduction piece locking sleeve pipe and cable, prevent that the copper spare of this junction from leading to contact failure owing to becoming flexible, even the copper spare of junction takes place to become flexible and leads to contact failure to generate heat, perhaps other equipment trouble take place or generate heat inside the cubical switchboard seriously lead to the cubical switchboard high temperature, the heat conduction piece also can in time conduct the temperature of this junction to temperature measurement sensing chip, by the temperature of this junction of temperature measurement sensing chip real-time supervision, in case the discovery temperature exceeds standard then the suggestion personnel overhaul, the security of cubical switchboard has been improved. Moreover, the temperature measurement sensing chip directly senses the surface temperature of the switch cabinet, and compared with the existing infrared temperature measurement mode, the temperature measurement sensing chip has the advantages of more accurate measurement result, difficulty in interference of environmental factors and no need of manual regular inspection.
Description
Technical Field
The utility model relates to a temperature monitoring technical field of cubical switchboard especially relates to a wireless temperature measurement end cap, in addition, still relates to a temperature measurement system who adopts above-mentioned wireless temperature measurement end cap.
Background
The high-voltage ring network switch cabinet is used as the most direct equipment for supplying power to users, and the operation reliability of the high-voltage ring network switch cabinet is directly related to the power supply quality and the reliability of power supply. In recent years, with the increasing of the electric load of an electric power system, the load current is increased continuously, particularly, the space of a cabinet body is reduced after the switch cabinet is miniaturized, the problem of equipment heating in the switch cabinet is more prominent, short-circuit accidents can be caused by long-term heating of the switch cabinet, the power supply reliability of a power grid is seriously influenced, the safety operation situation is serious due to the heating defect of internal elements of the high-voltage switch cabinet, the operation state of the switch cabinet must be mastered in real time by adopting effective monitoring means, and the practical application significance is achieved for accurately, quickly and safely measuring the temperature of the switch cabinet equipment in operation. And, the sleeve pipe of high-voltage ring net cubical switchboard often can lead to the cubical switchboard unsafe because copper contact failure generates heat with the cable junction.
At present, the temperature measurement work inside the switch cabinet is mainly through manual inspection tour, and the temperature in the cabinet is obtained through an observation window by a handheld infrared thermometer. And operation and maintenance personnel often carry out periodic inspection, and the inspection to single equipment has certain interval period, can not effectively, in time discover the overheated phenomenon that takes place in the interval period. The core element is the infrared detector which can convert the incident infrared radiation into electric signals in other forms which can be measured, and the electric signals are converted into temperature values of the measured target after calculation and correction by the amplifier and the signal processor circuit according to the algorithm in the instrument. However, the infrared temperature measurement technology has the following disadvantages:
1) the carrier of the temperature information is an infrared analog signal, and is easily influenced by environmental factors such as ambient temperature, humidity, dust in the air and the like when the infrared analog signal is transmitted in the air, so that the measurement accuracy and stability are poor;
2) the probe must keep a certain distance with the measured object and face the surface of the measured object, the measured point is required to be uncovered in the visual field, and the measurement accuracy is poor;
3) manual inspection is required regularly and real-time monitoring is not possible.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wireless temperature measurement end cap and adopt its temperature measurement system to solve current cubical switchboard temperature measurement mode and can not realize real-time supervision, the cubical switchboard sleeve pipe often can lead to the unsafe technical problem of cubical switchboard because copper contact failure generates heat with cable junction.
According to an aspect of the utility model, a wireless temperature measurement end cap is provided for the sleeve pipe of monitoring cubical switchboard and cable junction's temperature, include
The heat conducting piece is used for fastening the joint of the sleeve and the cable and has a heat transfer effect;
the insulating cylinder cavity shell is used for playing a role in heat insulation and sealing;
the temperature measurement sensing chip is arranged in the insulating cylindrical cavity shell, and the bottom of the temperature measurement sensing chip is connected with the heat conducting piece so as to detect the conduction temperature of the heat conducting piece and wirelessly transmit a temperature signal;
and the external pouring layer is fixedly sleeved on the periphery of the insulating cylinder cavity shell and the heat conducting piece to play a role in protection.
And the filling layer is arranged in the insulating cylinder cavity shell, wraps the periphery of the temperature measurement sensing chip and is used for stabilizing and protecting the temperature measurement sensing chip.
Further, the heat conducting member is a hollow structure with one open end,
the inner wall of the heat conducting piece is provided with threads, and the heat conducting piece is matched with a screw rod at the joint of the sleeve and the cable through the threads on the inner wall so as to lock the joint of the sleeve and the cable;
or the opening size of the heat conducting piece is smaller than or equal to the outer diameter size of a screw rod at the joint of the sleeve and the cable, and the heat conducting piece is in interference fit with the screw rod to lock the joint of the sleeve and the cable.
Furthermore, a boss used for manually screwing the wireless temperature measuring plug is arranged on the end face, far away from the heat conducting piece, of the external pouring layer.
Further, the shape of the boss is regular hexagon, quadrangle, circle or triangle.
Furthermore, marks for indicating the rotating direction are engraved on the end face, away from the heat conducting member, of the outer pouring layer.
Further, the filling layer is a heat-conducting silica gel layer, and the external pouring layer is an epoxy resin layer.
The utility model also provides a temperature measurement system, include as above wireless temperature measurement end cap, temperature collector and temperature detector, temperature collector is used for receiving temperature measurement sensing chip wireless transmission's temperature signal and with temperature signal transmission to temperature detector, temperature detector is used for reading and showing the temperature testing result.
And the main control terminal is connected with the temperature detector and is used for transmitting the temperature detection result to the local main station and the remote main station for storage.
Furthermore, the main control terminal is also used for sending out an alarm prompt when the temperature value exceeds a preset value.
The utility model discloses following beneficial effect has:
the utility model discloses a wireless temperature measurement end cap, through the junction of heat-conducting member locking sleeve pipe and cable, prevent that the copper spare of this junction leads to contact failure owing to becoming flexible. And even copper spare of junction takes place to become flexible and leads to the contact failure to generate heat, perhaps other equipment break down or generate heat and lead to the cubical switchboard high temperature seriously in the cubical switchboard inside, the heat-conducting piece also can in time conduct the temperature of this junction to temperature measurement sensing chip, by the temperature measurement sensing chip temperature of this junction of real-time supervision, in case find the temperature exceeds standard then the suggestion personnel overhaul, improved the security of cubical switchboard. Moreover, the temperature measurement sensing chip directly senses the surface temperature of the switch cabinet, compared with the existing infrared temperature measurement mode, the measurement result is more accurate, the interference of environmental factors is not easy to occur, manual regular inspection is not needed, and the high-voltage ring network switch cabinet, particularly the 10KV ring network switch cabinet, can be well suitable for being used as a high-voltage ring network switch cabinet.
Additionally, the utility model discloses a temperature measurement system has above-mentioned advantage equally.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic perspective view of a wireless temperature measuring plug according to a first embodiment of the present invention.
Fig. 2 is a schematic sectional structure view of the wireless temperature measuring plug according to the first embodiment of the present invention.
Fig. 3 is a schematic diagram of a temperature measurement system according to a second embodiment of the present invention.
Description of the reference numerals
10. A heat conductive member; 11. a temperature measurement sensing chip; 12. an insulating cylindrical cavity shell; 13. an outer casting layer; 14. a filling layer; 131. a boss; 100. a temperature collector; 200. a temperature detector; 300. and (5) a main control terminal.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways, which are defined and covered below.
As shown in fig. 1 and 2, the utility model discloses a first embodiment provides a wireless temperature measurement end cap for install the temperature at the junction of the sleeve pipe of cubical switchboard and cable and monitor this department, not only can lock sleeve pipe and the junction of cable and prevent the copper spare contact failure of junction, but also can realize the real-time supervision of this department temperature. The wireless temperature measuring plug comprises a heat conducting piece 10 used for fastening the joint of a sleeve and a cable and playing a role in heat transfer, an insulating cylinder cavity shell 12 used for playing a role in heat insulation and sealing, a temperature measuring sensing chip 11 arranged in the insulating cylinder cavity shell 12 and connected with the heat conducting piece 10 at the bottom of the insulating cylinder cavity shell for detecting the conduction temperature of the heat conducting piece 10 and wirelessly transmitting a temperature signal out, and an external pouring layer 13 fixedly sleeved on the peripheries of the insulating cylinder cavity shell 12 and the heat conducting piece 10 and playing a role in protection. It is understood that the material of the heat-conducting member 10 may be gold, silver, copper, aluminum, diamond or other material with better heat conductivity, and copper is preferably used in view of cost control. The heat conducting piece 10 can lock the joint of a sleeve of a switch cabinet and a cable and conduct the temperature of the joint to the temperature measuring sensing chip 11, the temperature measuring sensing chip 11 wirelessly transmits the temperature signal of the temperature measuring result, and the insulating cylinder cavity shell 12 provides an environment with good heat insulation, tightness and insulation for the temperature measuring sensing chip 11 due to the fact that the temperature measuring sensing chip 11 is arranged in the insulating cylinder cavity shell 12, and accuracy of the temperature detecting result and anti-interference performance of signal transmission are guaranteed.
In this embodiment, the wireless temperature measuring plug locks the joint of the sleeve and the cable through the heat conducting member 10, so as to prevent the copper member at the joint from being loose and causing poor contact. And even if the copper part at the joint is loosened to cause poor contact and generate heat, or other equipment in the switch cabinet breaks down or generates heat seriously to cause overhigh temperature of the switch cabinet, the heat conducting part 10 can also conduct the temperature at the joint to the temperature measuring sensing chip 11 in time, the temperature measuring sensing chip 11 monitors the temperature at the joint in real time, and once the temperature is found to exceed the standard, a worker is prompted to overhaul, so that the safety of the switch cabinet is improved. Moreover, the temperature measurement sensing chip 11 directly senses the surface temperature of the switch cabinet, and compared with the existing infrared temperature measurement mode, the measurement result is more accurate, the interference of environmental factors is not easy to occur, manual regular inspection is not needed, and the high-voltage ring network switch cabinet, especially the 10KV ring network switch cabinet, can be well applicable.
It can be understood that, as preferred, the wireless temperature measurement plug further includes a filling layer 14, and the filling layer 14 is disposed inside the insulating cylinder cavity shell 12 and covers the periphery of the temperature measurement sensing chip 11, so as to play a role in stabilizing and protecting the temperature measurement sensing chip 11. The filling layer 14 is specifically a heat-conducting silicone gel layer, and in other embodiments, the material of the filling layer 14 may also be other colloid materials with better heat conductivity, so that the heat-conducting member 10 can fully conduct the temperature to the temperature-measuring sensing chip 11, and thus the accuracy of the measurement result of the temperature-measuring sensing chip 11 is ensured. The manufacturing process of the wireless temperature measuring plug of the embodiment is as follows: firstly, the temperature measurement sensing chip 11 is installed inside the insulating cylinder cavity shell 12, the temperature measurement sensing chip 11 is fixedly connected with the heat conducting piece 10, then heat conducting silica gel is poured into the insulating cylinder cavity shell 12 to form a filling layer 14, so that the temperature measurement sensing chip 11 is stabilized and protected, no air bubbles are left in the insulating cylinder cavity shell 12 during filling, after the heat conducting silica gel is dried in the air, epoxy resin is used for integrally pouring the periphery of the insulating cylinder cavity shell 12 and the heat conducting piece 10 to form an external pouring layer 13, and finally the wireless temperature measurement plug is manufactured.
It can be understood that the heat conducting member 10 is a hollow structure with an opening at one end, and is fixedly sleeved on a screw rod at the connection position of the switch cabinet sleeve and the cable. Specifically, the inner wall of the heat conducting member 10 is provided with threads, and the heat conducting member 10 is in threaded fit with a screw at the joint of the sleeve and the cable through the threads on the inner wall, so that the joint of the sleeve and the cable is locked, and poor contact of a copper part at the joint is prevented; or, the opening size of the heat conducting piece 10 is smaller than or equal to the outer diameter size of a screw rod at the joint of the sleeve and the cable, and the heat conducting piece 10 and the screw rod are locked at the joint of the sleeve and the cable through interference fit, so that poor contact of a copper piece at the joint is prevented. Preferably, a boss 131 convenient for manually screwing the wireless temperature measuring plug is further arranged on the end face, away from the heat conducting piece 10, of the external pouring layer 13, when the wireless temperature measuring plug needs to be installed, the wireless temperature measuring plug is manually screwed through the boss 131, the heat conducting piece 10 is locked with a screw at the joint of the sleeve and the cable through threaded fit or interference fit, at the moment, the part of the external pouring layer 13 is screwed into the sleeve and is in interference fit with the sleeve, and the structure stability is good. The boss 131 is in the shape of a regular hexagon, a quadrangle, a circle, a triangle or other shapes convenient for manually screwing the wireless temperature measuring plug. Preferably, a mark for indicating a rotation direction is further engraved on the end face, away from the heat conducting member 10, of the external casting layer 13, so that the rotation direction of screwing and unscrewing can be prompted, and the wireless temperature measuring plug can be conveniently assembled and disassembled.
It can be understood, as shown in fig. 3, the second embodiment of the present invention provides a temperature measurement system, including a wireless temperature measurement plug, a temperature collector 100 and a temperature detector 200 as the first embodiment, the temperature collector 100 is used for receiving the temperature signal wirelessly transmitted by the temperature measurement sensing chip 11 and transmitting the temperature signal to the temperature detector 200, and the temperature detector 200 is used for reading and displaying the temperature detection result. It can be understood that the temperature collector 100 is disposed within a certain range of the wireless temperature measuring plug to ensure that the temperature signal can be successfully received, for example, the temperature collector may be within a range of 20m, 30m, 40m, or 50m around the wireless temperature measuring plug, and the specific range is related to the wireless transmission mode adopted by the temperature measuring sensing chip 11, and is not limited in detail here.
In this embodiment, the temperature measurement system fastens the position of this easy trouble that takes place of sleeve pipe and cable junction through wireless temperature measurement end cap, prevents the copper spare contact failure of this junction, and through the temperature of temperature measurement sensing chip 11 direct sensing sleeve pipe and cable junction, compare in current infrared temperature measurement mode, measuring result is more accurate, is difficult for receiving environmental factor's interference, and need not artifical periodic inspection.
It can be understood that the temperature measuring system further comprises a main control terminal 300, the main control terminal 300 is connected with the temperature detector 200 and is used for transmitting the temperature detection result to a local main station and a remote main station for storage, and the main control terminal 300 is a central monitoring computer. Preferably, the main control terminal 300 is further configured to send an alarm prompt when the temperature value exceeds the preset value, and prompt a manager to take correct processing measures in time to avoid a safety accident. The alarm reminding mode of the main control terminal 300 includes, but is not limited to, sound alarm, light alarm, combination of sound alarm and light alarm, short message alarm or screen display alarm, etc.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A wireless temperature measuring plug is used for monitoring the temperature of the joint of a sleeve and a cable of a switch cabinet and is characterized in that,
comprises a heat conducting member (10) for fastening the joint of the sleeve and the cable and performing a heat transfer function;
an insulating cylindrical chamber shell (12) for insulating and sealing;
the temperature measurement sensing chip (11) is arranged in the insulating cylindrical cavity shell (12), and the bottom of the temperature measurement sensing chip is connected with the heat conducting piece (10) so as to be used for detecting the conduction temperature of the heat conducting piece (10) and wirelessly transmitting a temperature signal;
and the external pouring layer (13) is fixedly sleeved on the peripheries of the insulating cylindrical cavity shell (12) and the heat conducting piece (10) to play a role in protection.
2. The wireless temperature measuring plug according to claim 1,
the temperature-measuring sensor further comprises a filling layer (14) which is arranged in the insulating cylinder cavity shell (12) and covers the periphery of the temperature-measuring sensing chip (11) and is used for stabilizing and protecting the temperature-measuring sensing chip (11).
3. The wireless temperature measuring plug according to claim 1,
the heat conducting piece (10) is a hollow structure with one open end,
the inner wall of the heat conducting piece (10) is provided with threads, and the heat conducting piece (10) is matched with a screw rod at the joint of the sleeve and the cable through the threads on the inner wall so as to lock the joint of the sleeve and the cable;
or the opening size of the heat conducting piece (10) is smaller than or equal to the outer diameter size of a screw rod at the joint of the sleeve and the cable, and the heat conducting piece (10) is in interference fit with the screw rod to lock the joint of the sleeve and the cable.
4. The wireless temperature measuring plug according to claim 1,
and a boss (131) used for manually screwing the wireless temperature measuring plug is arranged on the end face, away from the heat conducting piece (10), of the external pouring layer (13).
5. The wireless temperature measuring plug according to claim 4,
the boss (131) is in the shape of a regular hexagon, a quadrangle, a circle or a triangle.
6. The wireless temperature measuring plug according to claim 4,
the end face, away from the heat conducting piece (10), of the outer pouring layer (13) is also marked with a mark for indicating the rotating direction.
7. The wireless temperature measuring plug according to claim 2,
the filling layer (14) is a heat-conducting silica gel layer, and the external pouring layer (13) is an epoxy resin layer.
8. A temperature measurement system is characterized by comprising the wireless temperature measurement plug, a temperature collector (100) and a temperature detector (200) according to any one of claims 1 to 7, wherein the temperature collector (100) is used for receiving a temperature signal wirelessly transmitted by the temperature measurement sensing chip (11) and transmitting the temperature signal to the temperature detector (200), and the temperature detector (200) is used for reading and displaying a temperature detection result.
9. The thermometric system of claim 8,
the temperature detection system further comprises a main control terminal (300) which is connected with the temperature detector (200) and used for transmitting the temperature detection result to the local main station and the remote main station for storage.
10. The thermometric system of claim 9,
the main control terminal (300) is also used for sending out an alarm prompt when the temperature value exceeds a preset value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201922178497.7U CN210953128U (en) | 2019-12-06 | 2019-12-06 | Wireless temperature measurement end cap and temperature measurement system adopting same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922178497.7U CN210953128U (en) | 2019-12-06 | 2019-12-06 | Wireless temperature measurement end cap and temperature measurement system adopting same |
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| CN210953128U true CN210953128U (en) | 2020-07-07 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112670772A (en) * | 2020-11-20 | 2021-04-16 | 深圳供电局有限公司 | Cable plug |
| CN112781749A (en) * | 2020-12-30 | 2021-05-11 | 中国电子科技集团公司第四十一研究所 | Tobacco shred temperature detection device of microwave density detector and compensation method |
| WO2022037078A1 (en) * | 2020-08-17 | 2022-02-24 | 长缆电工科技股份有限公司 | Temperature measurement plug used in cooperation with ring main unit plug temperature measurement system |
| EP4281738A4 (en) * | 2021-01-22 | 2024-10-23 | Abb Schweiz Ag | Wireless measuring device and cable bushing comprising the same |
-
2019
- 2019-12-06 CN CN201922178497.7U patent/CN210953128U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022037078A1 (en) * | 2020-08-17 | 2022-02-24 | 长缆电工科技股份有限公司 | Temperature measurement plug used in cooperation with ring main unit plug temperature measurement system |
| CN112670772A (en) * | 2020-11-20 | 2021-04-16 | 深圳供电局有限公司 | Cable plug |
| CN112670772B (en) * | 2020-11-20 | 2023-05-02 | 深圳供电局有限公司 | Cable plug |
| CN112781749A (en) * | 2020-12-30 | 2021-05-11 | 中国电子科技集团公司第四十一研究所 | Tobacco shred temperature detection device of microwave density detector and compensation method |
| CN112781749B (en) * | 2020-12-30 | 2023-12-01 | 中国电子科技集团公司第四十一研究所 | Tobacco shred temperature detection device and compensation method of microwave density detector |
| EP4281738A4 (en) * | 2021-01-22 | 2024-10-23 | Abb Schweiz Ag | Wireless measuring device and cable bushing comprising the same |
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